< The binaries are pretty much useless if you want to run on real hardware < In order to reconfigure unix you have to recompile from the sources. The < sources, though are affordable, and certainly some versions include < drivers for a lot of DEC drives, etc. But I think you need an MMU, so no < chance of running on an 11/03 Yep! depending on version you your really need sources. I have an 11/73 with RQDX3 and two RD52s and V7 running on a 10mb RL02 cart. Without sources all of the other disks unless older RK05s are useless. Also it doesn't use all the avalable ram. Fairly useless other than it's real unix. < > The question is however is there something else? I know fuzzball is < > around but I don't know if that is a option for most -11 users. < < IIRC Fuzzball needs an RT11 system to provide a lot of utilities (things < like PIP), the assembler, etc. It's not really stand-alone. Also problematic. Almost begs a new PD OS that is on the simple scale, buildable and patterned after RT or OS/8. Porting CPM68 (c source) to PDP-11 may be doable for a simple 64k memory (16bit). Porting C sources is not my area of expertize. Allison